USD181239S - Protective helmet - Google Patents
Protective helmet Download PDFInfo
- Publication number
- USD181239S USD181239S US D181239 S USD181239 S US D181239S
- Authority
- US
- United States
- Prior art keywords
- protective helmet
- united states
- helmet
- protective
- new
- Prior art date
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- 230000001681 protective Effects 0.000 title description 4
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Description
United States Patent 0 Hce Des-181,239
Patented Oct. 15, 1957 PROTECTIVE HELMET Whitney A. Stuart, New Brunswick, N. J., and Leonard G. Huxtable, New York, N. Y., assignors to the United States of America as represented by the Secretary of the Army Application February 21, 1957, Serial No. 44,941
Term of patent 14 years Figure 1 is a side elevational view of a protective helmet References Cited in the file of this patent embmiying new design; UNITED STATES PATENTS Figure 2 is a front view thereof;
D. 167,790 Adams Sept. 23, 1952 351123,? a bottom plan of the same' D. 176,073 Mantell N 5, 955 The ornamental design for a protective helmet, ub- 2,140,716 Pry le Dec. 20, 1938 stantially as shown. ,3 ,8 0 Seletz Aug. 1, 1944
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